text: """Automatic load module."""
  
  # import os
  import importlib
  
  
  EXISTS = {}
  
  
  def load_ext(name):
      """Load an ext function."""
      global EXISTS
      if name in EXISTS:
          return EXISTS[name]
      # filename = name + '.py'
      # assert os.path.exists(filename)
      m = importlib.import_module(name)
      c = getattr(m, name)
      i = c()
      EXISTS[name] = i
      return EXISTS[name]
  